CVE-2026-23942: Erlang OTP

SFTP root escape via component-agnostic prefix check in ssh_sftpd

CVSS 5.3 MediumEPSS 0.0039 · 32nd percentile

Published by the CVE Program (CNA: EEF) at 13 Mar 2026, 09:11 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Erlang	OTP Package name: ssh pkg:otp/ssh?repository_url=https:%2F%2Fgithub.com%2Ferlang%2Fotp&vcs_url=git%20https:%2F%2Fgithub.com%2Ferlang%2Fotp.git	affected 3.0.1 to before * otp Other versions: unknown
Erlang	OTP Package name: erlang/otp https://github.com pkg:github/erlang/otp	affected 17.0 to before * otp affected 84adefa331c4159d432d22840663c38f155cd4c1 to before * git Other versions: unknown

Identifiers

CVE-2026-23942

CNA

EEF

Weakness (CWE)

CWE-22

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
5.3	Medium	4.0	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N	CNA (EEF)

CISA KEV Not listed.
EPSS 0.0039, the 32nd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 13 Mar 2026. New records show when each source confirmed them.

Sources

References from the CNA

github.com/erlang/otp/security/advisories/GHSA-4749-w85x-hw9h vendor-advisoryrelated
cna.erlef.org/cves/CVE-2026-23942.html related
osv.dev/vulnerability/EEF-CVE-2026-23942 related
www.erlang.org/doc/system/versions.html#order-of-versions version-scheme
github.com/erlang/otp/commit/27688a824f753d4c16371dc70e88753fb410590b patch
github.com/erlang/otp/commit/9e0ac85d3485e7898e0da88a14be0ee2310a3b28 patch
github.com/erlang/otp/commit/5ed603a1211b83b8be2d1fc06d3f3bf30c3c9759 patch

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.